not right in the head

1. Mentally unsound, as in Physically, she's quite healthy for ninety, but we suspect she's not right in the head. This usage was first recorded as right in his wits in 1662.

Example Sentences

Mr Pender testified that the attacker said he had stabbed Harvey "once or twice", and added: "I'm not right in the head. My mum doesn't look after me right. I've stabbed him."

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I think a lot of us don't know, when we're at the beginning of feeling not right in the head, what is going to be involved.

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Are you not right in the head? he yells.

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“That’ll be the son, I told you he’s not right in the head. Don’t look at it, Cecilia, darling.”

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What do you mean he’s not right in the head?

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